01 -
Mix chili powder, cumin, seasoned salt, pepper, white pepper, ground chipotle pepper, paprika, oregano, and red pepper flakes together.
02 -
Rub seasoning mixture all over the chicken breasts.
03 -
Place chicken in a 3-quart slow cooker, add chicken broth, and cook covered on low for 3 to 4 hours until tender.
04 -
Remove chicken from the slow cooker, cool slightly, and shred using two forks.
05 -
Serve shredded chicken over torn romaine lettuce and add desired toppings such as avocado, cheddar cheese, tomatoes, green onions, and salad dressing.